Tim McGraw and Faith Hill's marriage is allegedly on the verge of divorce according to In Touch magazine. According tot the magazine, sources say the coupe's marriage "hangs by a thread as he prepares to hit the road with a pretty, young singer."

Allegedly, Faith's insecurity is taking toll on their marriage while Tim is touring with Cassadee Pope. The source reveals it's "exposing old wounds ... and new doubts," the source added, "Faith is really insecure. She gets jealous when he's on tour without her. She's scared of all the temptations he faces."

"The partying, the groupies, the other acts. She's put up with a lot and is tired of having to hold the family together while he's out doing his thing," an insider says.

MStars News previously reported:

Faith Hill's brother, Zachary White is coming forward to talk about his sister's alleged troubled relationship, and how he plans to repay her by saving her marriage.

According to an interview with the The ENQUIRER, White explained that the princess of country music who was put up for adoption at birth always remained lose to her brother and says he helped her during his roughest times.

White admitted to police that he attempted to steal a woman's purse due to his crack cocaine addiction in 1990 and claims that after meeting his sister she helped on his recovery to sober up, "I made my share of mistakes in the past, but Faith showed me that I could be a better person," he told The ENQUIRER. "I turned my life around, and I owe much of that to Faith and Tim. If it weren't for them, there's no telling where I'd be now."

He added, "Faith is a beautiful, amazing, person," he continued. "And she's forgiven me for the mistakes I made when I was younger."

Now as Hill and McGraw's relationship is rumors to be in a wreck, White is trying to repay his siste4r for all her help during is hardest times, "He's acted as a mediator between Faith and Tim during some of their worst blowups and helped them talk through their problems," a source told the magazine. "In some ways, Zachary has saved Faith and Tim's marriage - for now.